What statute defines DUI in Wyoming?

Wyo. Stat. Ann. § 31-5-233 is the controlling DUI statute in Wyoming. You can read the current text on the official code site at wyoleg.gov.

What is the Wyoming implied-consent law?

Wyo. Stat. Ann. § 31-6-102 is the implied-consent provision. It sets out the consequences of refusing a chemical test after a lawful DUI arrest.

Wyoming DUI Statutes: The Code Sections That Control Your Case

The statutes that control Wyoming DUI cases

DUI in Wyoming is defined by Wyo. Stat. Ann. § 31-5-233, and the chemical-testing rules sit in Wyo. Stat. Ann. § 31-6-102. Both are published in the official state code at wyoleg.gov, which is the only version that governs — summaries elsewhere, including ours, can lag amendments.

Wyoming official code — DUI statute

Statutory text, definitions, BAC thresholds and sentencing ranges.

Implied-consent provision

What refusing a breath, blood or urine test costs you.

Statute at a glance

Wyoming DUI law at a glance

Sourced from the Wyoming code and state agency sites. Verify current text before relying on it.

Offense name: DUI (Wyoming)
Controlling statute: Wyo. Stat. Ann. § 31-5-233
Implied consent: Wyo. Stat. Ann. § 31-6-102
Per se BAC limit: 0.08 (0.04 CDL, 0.02 or lower under 21)
Licence hearing deadline: 20 days after arrest
Prior-offense lookback: 10 years
First-offense fine: $200–$750
First-offense jail exposure: up to 6 months
Licence suspension: 3 months
Ignition interlock: Not automatic on a first offense
Trial court: the Circuit Court
High-risk filing: SR-22 for 3 years

A first offense is a misdemeanor with possible jail and a licence suspension.

First-offense exposure under Wyo. Stat. Ann. § 31-5-233: $200–$750, up to 6 months of jail exposure, and a 3 months licence suspension. A first offense is a misdemeanor with possible jail and a licence suspension.

What Wyo. Stat. Ann. § 31-5-233 actually says

Wyo. Stat. § 31-5-233(b)(i) — driving or having actual physical control of a vehicle with an alcohol concentration of 0.08 percent or more.
Wyo. Stat. § 31-5-233(b)(ii) — the same where the concentration is measured within two hours of driving.
Wyo. Stat. § 31-5-233 — driving while under the influence of intoxicating liquor to a degree that renders the person incapable of safe driving.
Wyo. Stat. § 31-5-233 — the same for a controlled substance.

Charging documents cite the exact subsection, so check which one appears on your citation. The posted text on wyoleg.gov carries an effective date — amendments passed after it are not yet reflected.

Other Wyoming sections that control the case

Wyo. Stat. § 31-9-401

SR-22 proof of financial responsibility after a licence withdrawal.

Wyo. Stat. § 5-2-119

Appeals from courts of limited jurisdiction.

Wyoming ZIP codes covered

These Wyoming ZIP-code pages carry the local court, filing and licensing detail for the area, and each one links back to this resource page.

Browse all Wyoming ZIP codes.

Counties and cities using these Wyoming resources

Other Wyoming official resources

Wyoming DUI Courts: Where Your Case Is Heard Wyoming Driver Licensing After a DUI: Hearings, Reinstatement & SR-22

Frequently asked questions

What statute defines DUI in Wyoming?: Wyo. Stat. Ann. § 31-5-233 is the controlling DUI statute in Wyoming. You can read the current text on the official code site at wyoleg.gov.
What is the Wyoming implied-consent law?: Wyo. Stat. Ann. § 31-6-102 is the implied-consent provision. It sets out the consequences of refusing a chemical test after a lawful DUI arrest.